托福阅读否定事实信息题是阅读考试十大题型之一，通常每篇阅读中都会出现;tpo是托福阅读备考最权威的材料，所以托福小编综合二者，为大家集中整理了tpo阅读中考察的否定事实信息题及其对应的解析，供大家参考使用。本文带来的是TPO17-2的否定事实信息题，一起来看看吧。
TPO17-2 Animal Signals in the Rain Forest
Paragraph 2
In the varied and constantly changing light environment of the forest, an animal must be able to send visual signals to members of its own species and at the same time avoid being detected by predators. An animal can hide from predators by choosing the light environment in which its pattern is least visible. This may require moving to different parts of the forest at different times of the day or under different weather conditions, or it may be achieved by changing color according to the changing light conditions. Many species of amphibians (frogs and toads) and reptiles (lizards and snakes) are able to change their color patterns to camouflage themselves. Some also signal by changing color. The chameleon lizard has the most striking ability to do this. Some chameleon species can change from a rather dull appearance to a full riot of carnival colors in seconds. By this means, they signal their level of aggression or readiness to mate.
4. According to paragraph 2 all of the following are reasons amphibians and reptiles change color EXCEPT
changing seasons
to signal others of their species
to match the light
to hide from predators
解析：EXCEPT题，排除法，A在原文没有对应点，所以A错，选;B的signal others做关键词定位至倒数第三句，正确，不选;C的light做关键词定位至第一句，说光线不断变化，所以C正确，不选;D的hide from predators做关键词定位至倒数第四句，说camouflage themselves，所以D正确，不选
[2]在多样和不断变化的森林光照环境下，动物必须能够发送视觉信号给自己的同类，同时避免被捕食者发现。动物可以选择最不易看得见的光照环境来躲避捕食者的视线。这就要求动物能在白天不同的时间或者在不同的天气条件下移动到森林的不同方位，或者，它们也可以根据不同的光照来改变自身的颜色。很多两栖动物(青蛙和蟾蜍)和爬行动物(蜥蜴和蛇)都可以通过改变颜色图案来伪装自己。有些动物还通过改变颜色来发出信号。变色龙在这方面有着最惊人的能力。有些变色龙物种可以在几秒钟之内就把暗淡的外表变得灿烂夺目。通过这种方式，它们可以传达出攻击程度和交配意愿。
以上就是托福阅读TPO17-2中的否定事实信息题及其解析，大家可以在备考的时候参考复习，希望能够帮助大家的考前准备。最后前程百利祝大家都能取得理想的托福考试成绩。
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